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| Number | Title | Issue Date |
| 7334334 | Automotive exhaust component and method of manufacture A catalytic converter for an internal combustion engine exhaust system comprises a single-piece, seamless metal housing having tubulated gas inlet and outlet ports and a tubulated intermediate section with a catalytic element therein. The intermediate section is con... | 02/26/2008 |
| 7323145 | Automotive exhaust component and method of manufacture “Noxious substances in the exhaust, including CO, NOx, and incompletely combusted hydrocarbons are converted to more benign substances through the action of the catalytic element, which is preferably a frangible ceramic honeycomb structure having a plurality of in... | 01/29/2008 |
| 7315684 | Device for producing a hollow profile A device for producing an essentially T-shaped hollow profile or a hollow profile provided with at least one branch. The device may have a multipart mold which is intended for internal high pressure forming, in which a hollow profile having at least one initially do... | 01/01/2008 |
| 7169365 | Automotive exhaust component and method of manufacture A catalytic converter for an internal combustion engine exhaust system comprises a single-piece, seamless metal housing having tubulated gas inlet and outlet ports and a tubulated intermediate section with a catalytic element therein. The intermediate section is con... | 01/30/2007 |
| 7156425 | Quick connect and quick disconnect plumbing apparatus A plumbing apparatus for connecting a tankless hot water heater to a cold water supply line and a hot water outlet line includes a union and a tee that are interconnected to one another. A first connector at one end of the union is provided for connecting the union ... | 01/02/2007 |
| 7024769 | Apparatus for producing an assembly linkage on a hollow profile A process and a device produces an assembly linkage on a hollow profile which is shaped for the installation of the assembly part by internal high-pressure remodeling. In order to achieve the shaping of an assembly linkage in a component space-saving, for a subseque... | 04/11/2006 |
| 6921055 | Method for securing frame members for an electrical cabinet In a cabinet having vertically extending side members (5) forming part of a chassis of the cabinet, panel mounts (1), also to extend vertically in the cabinet and to have panels mounted thereupon, are mountable to the side members (5) by integra... | 07/26/2005 |
| 6860517 | Tubular metal part having pullouts A tubular part having a tubular main body and an integral tubular pullout projecting laterally from the side of the main body and in fluid-tight communication therewith is superplastically formed by inserting the tube in a cavity of a die base and heating the die to... | 03/01/2005 |
| 6840079 | Automated tube tee forming and trimming system An automatic tube tee forming and trimming system uses a single apparatus for milling a hole in a tube, pulling a forming die through the milled hole, and face trimming the resulting pullout joint to the desired height. The forming die is pulled out through the hole... | 01/11/2005 |
| 6694616 | Method of forming T-connectors The invention provides a method of forming a T-shaped pipe (60) or tube connecting section, also referred to as a T-connector, T-junction or a T-section. The method comprises the step of cutting a form out of sheet metal, the form substantially comprising... | 02/24/2004 |
| 6612020 | Apparatus for superplastic forming of tubing A tubular part having a tubular main body and an integral tubular pullout projecting laterally from the side of the main body and in fluid-tight communication therewith is superplastically formed by inserting the tube in a cavity of a die base and heating... | 09/02/2003 |
| 6574849 | Method for deforming through high inner pressure at least two hollow bodies having each at least one opening, especially metal tubes or metal hollow profiles First and second hollow bodies each having at least one opening are joined by first forming a fracture zone in a joint region of the first body and then juxtaposing the bodies in a closed cavity of an internal high-pressure shaping tool with the second bo... | 06/10/2003 |
| 6430812 | Superplastic forming of tubing pull-outs A tubular part having a tubular main body and an integral tubular protrusion projecting laterally from the side of the main body and in fluid-tight communication therewith is superplastically formed by inserting the tube in a cavity of a die base and heat... | 08/13/2002 |
| 6149825 | Tubular vortex separator A tubular vortex separator which can be used to separate particulate matter of higher density from fluids. In a preferred embodiment, the vortex separator is generally tubular, simple in design, and economical to produce.... | 11/21/2000 |
| 6126208 | Common rail and method of manufacturing the same A common rail includes a generally cylindrical peripheral wall having a communication passage extending axially therethrough. At least one branch hole extends through the peripheral wall and is aligned perpendicular to the axis of the common rail. The int... | 10/03/2000 |
| 6082781 | Pipe connecting device A pipe connector for connecting at least three pipelines has a main pipe that is continuous in a direction of flow of water. A connection piece branches off from the main pipe, and an inner pipe follows both the main pipe and the connection piece. The inn... | 07/04/2000 |
| 6044683 | Apparatus and method for forming joints in tubing The present invention relates to an effective method of cold-forming a tee in tubing. The method includes the steps of forming a quadrilobal pilot hole in the tubing, securing the tubing, and forcing a rounded member from the interior of the tubing throug... | 04/04/2000 |
| 6026570 | Method for producing an exhaust gas manifold for a multi-cylinder engine A tube junction is produced having at least two inlets and an outlet, and at least one bend between the two inlets by providing a forging die with a first recess contoured to hold a bent tube piece. A second recess opens into the first recess and, termina... | 02/22/2000 |
| 6021571 | Apparatus for forming collars in workpieces The invention concerns apparatus for forming collars in workpieces, where said apparatus comprises a bending former having an inner forming segment (16) and an outer forming segment (12) receiving a workpiece (96), further a plunger (24) for drawing throu... | 02/08/2000 |
| 5829219 | Frame forming member A frame forming member includes a member body formed from an extrudate having a closed sectional structure portion, and a junction for another member, which is integral with the member body and formed by expanding a portion of a peripheral wall of the clo... | 11/03/1998 |
| 5798021 | Clamping apparatus for an electrofusion joint A clamping apparatus for use in clamping a fitting to a pipe or other fitting. The apparatus may be used without supporting the outer surface of the pipe on the opposite side of the fitting, and in the case of a buried pipe, only a portion of the pipe nee... | 08/25/1998 |
| 5775736 | Plastic pipe fittings A reinforced plastic pipe fitting is made by using interference fit techniques to apply an outer pipe over a straight section of inner pipe. Appropriate sections of the outer pipe are then cutout. After arranging the fitting to the desired shape, faces of... | 07/07/1998 |
| 5697155 | Method of manufacturing a branched pipe by internal high-pressure forming The invention relates to a method and a device for manufacturing T-pieces from an unbranched starting piece of pipe by means of internal high-pressure forming (IHF). For this purpose, the starting piece of pipe is placed in a two-part forming tool which g... | 12/16/1997 |
| 5678865 | Tank tee unit A tank tee unit is formed from a plurality of standard pvc pipes secured together only by a suitable glue. It includes a main pipe of heavy wall pvc sandwiched between and glued to two heavy wall pvc pipes extending perpendicularly therefrom which are in ... | 10/21/1997 |
| 5624140 | Double containment pipe fitting A double containment pipe fitting and method of making same is disclosed. The fitting includes a branch double containment pipe section butt welded to a double containment pipe header, or main section to form a fitting wherein the branch section extends a... | 04/29/1997 |
| 5615481 | Method and apparatus for the production of circumferentially compressible pipe fittings To form a pipe fitting (90) having a body (92) formed with at least one outer bulge (93) defining an inner circumferential groove (93a), in which a sealing ring (93b) can be located, so that the fitting, upon circumferential compression, can sealingly eng... | 04/01/1997 |
| 5518277 | Single piece duct connector for leakfree attachment to sidewall of highly flexible trunkline duct A single piece duct fitting of generally cylindrical configuration for attachment to a large cylindrically-shaped flexible duct having a curved, easily deformed sidewall in which a hole has been created. This novel duct fitting is constructed of deformabl... | 05/21/1996 |
| 5445309 | Method for making a joint between a main pipe and a branch pipe and apparatus for use in the method In a method for making a joined pipe, a main pipe is cut so that two V-shaped edges of a right angle are formed in the diametrical positions on the periphery of the main pipe, and a branch pipe is cut so that two peaked edges of a right angle are formed i... | 08/29/1995 |
| 5326139 | Coupling device for branch points on a pipe This specification discloses a coupling device which is capable of being inserted into an opening of a pipe to form a branch point in the pipe. The device allows for the use of an inexpensive gasketing system and the device is configured such that it will... | 07/05/1994 |
| 5314212 | Duct connector for leakfree attachment to the curved sidewall of highly flexible trunkline duct A duct fitting of generally cylindrical configuration for attachment to a relatively large, generally cylindrically-shaped flexible duct having a curved sidewall of easily deformed material, in which sidewall a hole of particular size has been created. Th... | 05/24/1994 |
| 5224742 | Method for cutting off water in pipeline and structure of connection portion in pipeline A cut-off material is provided, which includes an impermeable cutoff member (10, 70) provided with an expandable hose portion (18, 72) and a flange portion (20, 74) formed integrally with one end of the hose portion. The cutoff member is disposed in first... | 07/06/1993 |
| 5222771 | Brazed pipe assembly and method A fluid pipe assembly comprises a block, and a discrete eye joint. The block has a rear wall defining a mounting surface adapted to be mounted to a base, and a side wall defining a recess. The block includes mounting holes extending therethrough, and a pa... | 06/29/1993 |
| 5215335 | Fitting for pressurized fluid lines and method for making same A hydraulic fitting (20,120,220,320,420,520,620,720,820) [of the type for connecting pressurized fluid-conveying members includes a tubular member (22,122,222,322,422,522,622,722,822) having opposite distal ends and defining a fluid passage (24,124,224,32... | 06/01/1993 |
| 5205593 | Method of tight connection, and corresponding tight connection fitting The tight connection fitting for a circular orifice in a rigid element is composed of a pipe in flexible material, such as rubber, whose external diameter is slightly greater than the bore of the orifice, and of a truncated cone-shaped bushing whose angle... | 04/27/1993 |
| 5202543 | Manufacturing process of a fuel delivery rail assembly A manufacturing process of an offset-type fuel delivery rail assembly for an internal combustion engine. The offset-type assembly features offset distances between an axial centerline of an elongated conduit and those of tubular sockets for receiving fuel... | 04/13/1993 |
| 5199145 | Corporate stop assembly A corporate stop is shown for sealing an opening in the sidewall of a host pipe. The stop has a threaded stem with an enlarged head portion and a neck portion of reduced size. A flexible sleeve member is received about the neck portion of the stem and has... | 04/06/1993 |
| 5109600 | Method of making a hose construction A hose construction and methods of making the same are provided, the hose construction comprising a tubular hose and a coupling secured to one end of the tubular hose, the inner peripheral surface of the tubular hose comprising an inner corrugated hose ma... | 05/05/1992 |
| 5090743 | Compressible fitting and associated method A compressible fitting for the manufacture of a permanent, tight connection between tubes. The fitting has at least one end, which has a hook-shaped cross section and a bead-like configuration, which end holds an O-ring and can be compressed with the tube... | 02/25/1992 |
| 5090611 | Method of making a cross joint between pipes An improved method of making a cross joint between different size pipes is provided. A punch, die and a pressing machine are prepared. The punch includes a center rest for receiving a small pipe, a curved slot and a curved surface for transforming an end ... | 02/25/1992 |
| 5088194 | Fluid distribution system, and apparatus and method for making same A weldless and solderless fluid distribution piping system incorporating solely mechanical retention of one or more inlet/outlet fittings in holes in the side wall of a pipe. In each case, the fitting has at one end a fishmouth configuration and an annula... | 02/18/1992 |